Siterwell Smoke Detector and Battery Operated Smoke and Fire Alarm 10 Years Photoelectric

The battery-powered SITERWELL Photoelectric smoke detectoris designed to protect you and your family from the dangers of smoke and fire. The photoelectric technology it is more sensitive in detecting slow smoldering fires which generate light smoke little heat and may smolder for hours before bursting into flames. This smoke alarm does not contain any radioactive material. Easy installation–no wiring required Powered by 9-volt battery battery include for continuous protection even durin